MCP4151-104E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4151-104E/SN is a single-channel, 8-bit digital potentiometer with SPI interface in SOIC-8 package. It features 256 wiper positions, 100 kΩ end-to-end resistance, and operates from 1.8 V to 5.5 V supply voltage. From $0.60 in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4151-104E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8500(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP4151-104E/SN?
- Single-channel 8-bit digital potentiometer with 256 wiper positions and 100 kΩ end-to-end resistance
- SPI-compatible INCREMENT/DECREMENT control interface supporting up to 10 MHz clock
- Wide supply voltage range of 1.8 V to 5.5 V enabling use in both 3.3 V and 5 V systems
- Non-volatile wiper position memory retains setting across power cycles
- Compact SOIC-8 package with only 3.90 mm body width for space-constrained designs
What is MCP4151-104E/SN used for?
The MCP4151-104E/SN is well-suited for audio volume and tone control circuits, where precise 8-bit digital adjustment of 100 kΩ resistance replaces mechanical potentiometers. It serves in sensor calibration and offset adjustment applications, allowing microcontrollers to fine-tune analog signal conditioning over 256 steps via SPI. The device is also used in programmable gain amplifier circuits and LCD contrast adjustment systems operating from 1.8 V to 5.5 V rails.
What are the specifications of MCP4151-104E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5V |
| Supply Current-Max | 1mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 100000Ω |
| ## MCP4151-104E/SN Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China, Thailand |
Where can I find the MCP4151-104E/SN datasheet?
MCP4151-104E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4151-104E/SN?
Compatible alternatives and drop-in replacements for MCP4151-104E/SN:
suggested
suggested
Frequently Asked Questions
What resistance and resolution does the MCP4151-104E/SN provide for precision analog control?
The MCP4151-104E/SN provides a 100 kΩ end-to-end resistance with 8-bit resolution, yielding 256 discrete wiper positions. Each step represents approximately 391 Ω of resistance change, enabling fine-grained analog control in audio, calibration, and gain-setting circuits.
Which microcontroller systems can drive the MCP4151-104E/SN given its supply voltage range?
The MCP4151-104E/SN operates from 1.8 V to 5.5 V, making it compatible with both 3.3 V and 5 V microcontroller systems. It accepts SPI clock rates up to 10 MHz, supporting fast updates from modern MCUs such as PIC, AVR, and ARM Cortex-M devices.
How does the SPI INCREMENT/DECREMENT interface of the MCP4151 compare to I2C-based digital potentiometers for real-time adjustment?
The SPI INCREMENT/DECREMENT interface of the MCP4151 allows wiper position changes at up to 10 MHz clock rates, enabling sub-microsecond updates across 256 steps. I2C alternatives typically cap at 400 kHz or 1 MHz, making the SPI approach roughly 10x faster for real-time audio or feedback loop applications.
Does the MCP4151-104E/SN retain its wiper position after a power cycle, and what storage temperature range is supported?
Yes, the MCP4151 features non-volatile memory that retains the 8-bit wiper position after power-down, eliminating initialization overhead. The device supports a storage temperature range of -65°C to +150°C and an operating temperature range of -40°C to +85°C for industrial environments.
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